Unlike RBBB, left bundle blocks are more often a sign of tissue damage. LBBB can make it difficult for your doctor to diagnose other heart conditions. These include: Left ventricular hypertrophy ...

This page lists all known medications that could potentially lead to 'Bundle branch block' as a side effect. It's important to note that mild side effects are quite common with medications.

Chapman’s sign is used to diagnose an acute myocardial infarction in the setting of a left bundle branch block and consists of a notch in the upslope of the R wave in lead I, aVL or V6.

Cabrera’s sign is used to diagnose an acute myocardial infarction in the setting of a left bundle branch block and consists of notching at 40 milliseconds in the upslope of the S wave in lead V3 ...